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Electric and Magnetic Fields - Essay Example

Extract of sample Electric and Magnetic Fields

Similarly, the lines of forces around a magnetically charged body may have a constant magnetic field around it. In the universe, magnetism has a great importance as most of the heavenly objects are influenced by the magnetic fields. The planet earth has also a constant magnetic field around it, as the magnet has a north and south poles; the earth has also the north and south poles. These poles were being in use from many years and people find their ways and directions utilizing the earth magnetic poles. Magnetic and electric fields are utilized to generate electrical power. Similarly, electric and magnetic fields are utilized to convert the electrical energy into mechanical energy by the utilization of a motor. A field of physics is dedicated to study the electric field that is Electrostatics. Electrostatics studies the electric field in relation with the electric flux, electric potential energy, electric potential, electrostatic induction and electric dipole movement. Electric field is a vector quantity having no fixed direction and has the units of N/C (Newton per Coulombs) or V/m (Volt per meter). The field is produced due to the movement of the electrical charged particles. The movements of the charged particles produce a magnetic field. The magnetic and electric fields are such linked to each other that one influences the other. In this way, the electric fields can be described by force that a charged test particle face. The force directs the electric fields in the similar direction as that of the force (Oatley 5-27). In this perspective the idea of electromagnetism grown and referred as the field dealing with both the quantities. Magnetic field is termed to be vector; the field has a direction and magnitude. The movement of the electrical charge produces the magnetic fields (Herlach & Miura 1-65). In this way, electrical charge or the charged particles highly influence the magnetic field. Magnetic fields are much important in determining the direction on the ship along with the most modern system like GPS (Global positioning system). Changing the magnetic field is able to generate mechanical to electrical energy and electrical to mechanical energy. It can be seen in the generators and the motors. Nearly all motors and generators utilizing the different principles related to the magnetic field. An electromagnetic field is a field determined by the electrical and magnetic properties of the field. The motion of the charged object creates the field. As the charged object moves, the field produced by the charged objects affects the other charged objects. It is a natural occurring force. Gravitation is also a natural occurring force. The electric and magnetic fields in combination project an energy field. As discussed above the magnetic field is generated when electric current passes through the electrical devices and electric current conducting bodies. Electrical and magnetic fields are sometimes related to the power transmission and grid lines that deal with high amount of current and power. The field can be as powerful as if someone is near to such fields may receive a little electrical shock when touching a conducting objects like metallic rods or plates. However, if the field remains far from an object, it may not be able to receive a shock from the field as the field goes far it fades out and energy of the field becomes lesser. From the discussion above it is now clear that both the fields are linked to each other. Electric field is a field ...Show more

Summary

No: Date: Electric and Magnetic Fields Electric and magnetic fields are related to each other. The electric field is a field around any electrical charged body or a body that is influenced by the charged particles…
Author : tillman38
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